From 221b4348d8f7caaf0df843640cbc0a0c5845b5c8 Mon Sep 17 00:00:00 2001
From: Nikos Papadakis <nikos@papadakis.xyz>
Date: Thu, 25 Jan 2024 01:18:30 +0200
Subject: [PATCH] nats

---
 Cargo.lock                   | 1386 ++++++++++++----------------------
 agent/.gitignore             |    1 -
 agent/Cargo.toml             |   30 +-
 agent/build.rs               |    6 -
 agent/server.conf            |   27 +
 agent/src/bin/prymn_agent.rs |   33 -
 agent/src/config.rs          |   18 -
 agent/src/debian.rs          |  186 -----
 agent/src/health.rs          |  190 -----
 agent/src/info.rs            |   87 ---
 agent/src/lib.rs             |    8 -
 agent/src/main.rs            |  107 +++
 agent/src/pty.rs             |  166 ----
 agent/src/self_update.rs     |  143 ----
 agent/src/server/agent.rs    |  224 ------
 agent/src/server/mod.rs      |  128 ----
 agent/src/task.rs            |  154 ----
 agent/tests/task_health.rs   |   18 -
 18 files changed, 642 insertions(+), 2270 deletions(-)
 delete mode 100644 agent/.gitignore
 delete mode 100644 agent/build.rs
 create mode 100644 agent/server.conf
 delete mode 100644 agent/src/bin/prymn_agent.rs
 delete mode 100644 agent/src/config.rs
 delete mode 100644 agent/src/debian.rs
 delete mode 100644 agent/src/health.rs
 delete mode 100644 agent/src/info.rs
 delete mode 100644 agent/src/lib.rs
 create mode 100644 agent/src/main.rs
 delete mode 100644 agent/src/pty.rs
 delete mode 100644 agent/src/self_update.rs
 delete mode 100644 agent/src/server/agent.rs
 delete mode 100644 agent/src/server/mod.rs
 delete mode 100644 agent/src/task.rs
 delete mode 100644 agent/tests/task_health.rs

diff --git a/Cargo.lock b/Cargo.lock
index 9085b8e..d8524fd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -26,106 +26,44 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "android-tzdata"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
-
-[[package]]
-name = "android_system_properties"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "anstream"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d664a92ecae85fd0a7392615844904654d1d5f5514837f471ddef4a057aba1b6"
-dependencies = [
- "anstyle",
- "anstyle-parse",
- "anstyle-query",
- "anstyle-wincon",
- "colorchoice",
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7079075b41f533b8c61d2a4d073c4676e1f8b249ff94a393b0595db304e0dd87"
-
-[[package]]
-name = "anstyle-parse"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
-dependencies = [
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle-query"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
-dependencies = [
- "windows-sys 0.52.0",
-]
-
-[[package]]
-name = "anstyle-wincon"
-version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
-dependencies = [
- "anstyle",
- "windows-sys 0.52.0",
-]
-
 [[package]]
 name = "anyhow"
-version = "1.0.76"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59d2a3357dde987206219e78ecfbbb6e8dad06cbb65292758d3270e6254f7355"
+checksum = "080e9890a082662b09c1ad45f567faeeb47f22b5fb23895fbe1e651e718e25ca"
 
 [[package]]
-name = "async-stream"
-version = "0.3.5"
+name = "async-nats"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd56dd203fef61ac097dd65721a419ddccb106b2d2b70ba60a6b529f03961a51"
+checksum = "dbc1f1a75fd07f0f517322d103211f12d757658e91676def9a2e688774656c60"
 dependencies = [
- "async-stream-impl",
- "futures-core",
- "pin-project-lite",
-]
-
-[[package]]
-name = "async-stream-impl"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "async-trait"
-version = "0.1.75"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fdf6721fb0140e4f897002dd086c06f6c27775df19cfe1fccb21181a48fd2c98"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "base64",
+ "bytes",
+ "futures",
+ "http",
+ "memchr",
+ "nkeys",
+ "nuid",
+ "once_cell",
+ "rand",
+ "regex",
+ "ring",
+ "rustls",
+ "rustls-native-certs",
+ "rustls-pemfile",
+ "rustls-webpki",
+ "serde",
+ "serde_json",
+ "serde_nanos",
+ "serde_repr",
+ "thiserror",
+ "time",
+ "tokio",
+ "tokio-retry",
+ "tokio-rustls",
+ "tracing",
+ "url",
 ]
 
 [[package]]
@@ -134,51 +72,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
-[[package]]
-name = "axum"
-version = "0.6.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
-dependencies = [
- "async-trait",
- "axum-core",
- "bitflags 1.3.2",
- "bytes",
- "futures-util",
- "http",
- "http-body",
- "hyper",
- "itoa",
- "matchit",
- "memchr",
- "mime",
- "percent-encoding",
- "pin-project-lite",
- "rustversion",
- "serde",
- "sync_wrapper",
- "tower",
- "tower-layer",
- "tower-service",
-]
-
-[[package]]
-name = "axum-core"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
-dependencies = [
- "async-trait",
- "bytes",
- "futures-util",
- "http",
- "http-body",
- "mime",
- "rustversion",
- "tower-layer",
- "tower-service",
-]
-
 [[package]]
 name = "backtrace"
 version = "0.3.69"
@@ -196,9 +89,15 @@ dependencies = [
 
 [[package]]
 name = "base64"
-version = "0.21.5"
+version = "0.21.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+
+[[package]]
+name = "base64ct"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
 [[package]]
 name = "bitflags"
@@ -207,22 +106,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
-name = "bitflags"
-version = "2.4.1"
+name = "block-buffer"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
 
 [[package]]
-name = "bumpalo"
-version = "3.14.0"
+name = "byteorder"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "bytes"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "cc"
@@ -240,51 +145,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
-name = "chrono"
-version = "0.4.31"
+name = "const-oid"
+version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
-dependencies = [
- "android-tzdata",
- "iana-time-zone",
- "js-sys",
- "num-traits",
- "wasm-bindgen",
- "windows-targets 0.48.5",
-]
-
-[[package]]
-name = "clap"
-version = "4.4.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfaff671f6b22ca62406885ece523383b9b64022e341e53e009a62ebc47a45f2"
-dependencies = [
- "clap_builder",
-]
-
-[[package]]
-name = "clap_builder"
-version = "4.4.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a216b506622bb1d316cd51328dce24e07bdff4a6128a47c7e7fad11878d5adbb"
-dependencies = [
- "anstream",
- "anstyle",
- "clap_lex",
- "strsim",
-]
-
-[[package]]
-name = "clap_lex"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
-
-[[package]]
-name = "colorchoice"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
 [[package]]
 name = "core-foundation"
@@ -303,56 +167,115 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
 
 [[package]]
-name = "either"
-version = "1.9.0"
+name = "cpufeatures"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
-
-[[package]]
-name = "encoding_rs"
-version = "0.8.33"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7268b386296a025e474d5140678f75d6de9493ae55a5d709eeb9dd08149945e1"
+checksum = "53fe5e26ff1b7aef8bca9c6080520cfb8d9333c7568e1829cef191a9723e5504"
 dependencies = [
- "cfg-if",
+ "libc",
 ]
 
 [[package]]
-name = "envy"
-version = "0.4.2"
+name = "crypto-common"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f47e0157f2cb54f5ae1bd371b30a2ae4311e1c028f575cd4e81de7353215965"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "curve25519-dalek"
+version = "4.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "curve25519-dalek-derive",
+ "digest",
+ "fiat-crypto",
+ "platforms",
+ "rustc_version",
+ "subtle",
+]
+
+[[package]]
+name = "curve25519-dalek-derive"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "data-encoding"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e962a19be5cfc3f3bf6dd8f61eb50107f356ad6270fbb3ed41476571db78be5"
+
+[[package]]
+name = "der"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fffa369a668c8af7dbf8b5e56c9f744fbd399949ed171606040001947de40b1c"
+dependencies = [
+ "const-oid",
+ "pem-rfc7468",
+ "zeroize",
+]
+
+[[package]]
+name = "deranged"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
+dependencies = [
+ "powerfmt",
  "serde",
 ]
 
 [[package]]
-name = "equivalent"
-version = "1.0.1"
+name = "digest"
+version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
-
-[[package]]
-name = "errno"
-version = "0.3.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
- "libc",
- "windows-sys 0.52.0",
+ "block-buffer",
+ "crypto-common",
 ]
 
 [[package]]
-name = "fastrand"
-version = "2.0.1"
+name = "ed25519"
+version = "2.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5"
+checksum = "115531babc129696a58c64a4fef0a8bf9e9698629fb97e9e40767d235cfbcd53"
+dependencies = [
+ "signature",
+]
 
 [[package]]
-name = "fixedbitset"
-version = "0.4.2"
+name = "ed25519-dalek"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+checksum = "1f628eaec48bfd21b865dc2950cfa014450c01d2fa2b69a86c2fd5844ec523c0"
+dependencies = [
+ "curve25519-dalek",
+ "ed25519",
+ "sha2",
+ "signature",
+ "subtle",
+]
+
+[[package]]
+name = "fiat-crypto"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -370,46 +293,63 @@ dependencies = [
 ]
 
 [[package]]
-name = "futures-channel"
-version = "0.3.29"
+name = "futures"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff4dd66668b557604244583e3e1e1eada8c5c2e96a6d0d6653ede395b78bbacb"
+checksum = "645c6916888f6cb6350d2550b80fb63e734897a8498abe35cfb732b6487804b0"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eac8f7d7865dcb88bd4373ab671c8cf4508703796caa2b1985a9ca867b3fcb78"
 dependencies = [
  "futures-core",
+ "futures-sink",
 ]
 
 [[package]]
 name = "futures-core"
-version = "0.3.29"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb1d22c66e66d9d72e1758f0bd7d4fd0bee04cad842ee34587d68c07e45d088c"
+checksum = "dfc6580bb841c5a68e9ef15c77ccc837b40a7504914d52e47b8b0e9bbda25a1d"
 
 [[package]]
 name = "futures-io"
-version = "0.3.29"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8bf34a163b5c4c52d0478a4d757da8fb65cabef42ba90515efee0f6f9fa45aaa"
+checksum = "a44623e20b9681a318efdd71c299b6b222ed6f231972bfe2f224ebad6311f0c1"
 
 [[package]]
 name = "futures-sink"
-version = "0.3.29"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e36d3378ee38c2a36ad710c5d30c2911d752cb941c00c72dbabfb786a7970817"
+checksum = "9fb8e00e87438d937621c1c6269e53f536c14d3fbd6a042bb24879e57d474fb5"
 
 [[package]]
 name = "futures-task"
-version = "0.3.29"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efd193069b0ddadc69c46389b740bbccdd97203899b48d09c5f7969591d6bae2"
+checksum = "38d84fa142264698cdce1a9f9172cf383a0c82de1bddcf3092901442c4097004"
 
 [[package]]
 name = "futures-util"
-version = "0.3.29"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a19526d624e703a3179b3d322efec918b6246ea0fa51d41124525f00f1cc8104"
+checksum = "3d6401deb83407ab3da39eba7e33987a73c3df0c82b4bb5813ee871c19c41d48"
 dependencies = [
+ "futures-channel",
  "futures-core",
  "futures-io",
+ "futures-sink",
  "futures-task",
  "memchr",
  "pin-project-lite",
@@ -418,10 +358,20 @@ dependencies = [
 ]
 
 [[package]]
-name = "getrandom"
-version = "0.2.11"
+name = "generic-array"
+version = "0.14.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "190092ea657667030ac6a35e305e62fc4dd69fd98ac98631e5d3a2b1575a12b5"
 dependencies = [
  "cfg-if",
  "libc",
@@ -434,58 +384,12 @@ version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
-[[package]]
-name = "h2"
-version = "0.3.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d6250322ef6e60f93f9a2162799302cd6f68f79f6e5d85c8c16f14d1d958178"
-dependencies = [
- "bytes",
- "fnv",
- "futures-core",
- "futures-sink",
- "futures-util",
- "http",
- "indexmap 2.1.0",
- "slab",
- "tokio",
- "tokio-util",
- "tracing",
-]
-
-[[package]]
-name = "hashbrown"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
-
-[[package]]
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-version = "0.14.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
-
-[[package]]
-name = "heck"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
-
 [[package]]
 name = "hermit-abi"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
 
-[[package]]
-name = "home"
-version = "0.5.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
-dependencies = [
- "windows-sys 0.52.0",
-]
-
 [[package]]
 name = "http"
 version = "0.2.11"
@@ -497,94 +401,6 @@ dependencies = [
  "itoa",
 ]
 
-[[package]]
-name = "http-body"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2"
-dependencies = [
- "bytes",
- "http",
- "pin-project-lite",
-]
-
-[[package]]
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-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "add0ab9360ddbd88cfeb3bd9574a1d85cfdfa14db10b3e21d3700dbc4328758f"
-
-[[package]]
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-version = "1.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904"
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf96e135eb83a2a8ddf766e426a841d8ddd7449d5f00d34ea02b41d2f19eef80"
-dependencies = [
- "bytes",
- "futures-channel",
- "futures-core",
- "futures-util",
- "h2",
- "http",
- "http-body",
- "httparse",
- "httpdate",
- "itoa",
- "pin-project-lite",
- "socket2",
- "tokio",
- "tower-service",
- "tracing",
- "want",
-]
-
-[[package]]
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-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbb958482e8c7be4bc3cf272a766a2b0bf1a6755e7a6ae777f017a31d11b13b1"
-dependencies = [
- "hyper",
- "pin-project-lite",
- "tokio",
- "tokio-io-timeout",
-]
-
-[[package]]
-name = "iana-time-zone"
-version = "0.1.58"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8326b86b6cff230b97d0d312a6c40a60726df3332e721f72a1b035f451663b20"
-dependencies = [
- "android_system_properties",
- "core-foundation-sys",
- "iana-time-zone-haiku",
- "js-sys",
- "wasm-bindgen",
- "windows-core",
-]
-
-[[package]]
-name = "iana-time-zone-haiku"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
-dependencies = [
- "cc",
-]
-
 [[package]]
 name = "idna"
 version = "0.5.0"
@@ -595,56 +411,12 @@ dependencies = [
  "unicode-normalization",
 ]
 
-[[package]]
-name = "indexmap"
-version = "1.9.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
-dependencies = [
- "autocfg",
- "hashbrown 0.12.3",
-]
-
-[[package]]
-name = "indexmap"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
-dependencies = [
- "equivalent",
- "hashbrown 0.14.3",
-]
-
-[[package]]
-name = "ipnet"
-version = "2.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f518f335dce6725a761382244631d86cf0ccb2863413590b31338feb467f9c3"
-
-[[package]]
-name = "itertools"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itoa"
 version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
 
-[[package]]
-name = "js-sys"
-version = "0.3.66"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cee9c64da59eae3b50095c18d3e74f8b73c0b86d2792824ff01bbce68ba229ca"
-dependencies = [
- "wasm-bindgen",
-]
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -657,12 +429,6 @@ version = "0.2.151"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
 
-[[package]]
-name = "linux-raw-sys"
-version = "0.4.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4cd1a83af159aa67994778be9070f0ae1bd732942279cabb14f86f986a21456"
-
 [[package]]
 name = "lock_api"
 version = "0.4.11"
@@ -679,24 +445,12 @@ version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
-[[package]]
-name = "matchit"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
-
 [[package]]
 name = "memchr"
 version = "2.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
 
-[[package]]
-name = "mime"
-version = "0.3.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
-
 [[package]]
 name = "miniz_oxide"
 version = "0.7.1"
@@ -718,18 +472,19 @@ dependencies = [
 ]
 
 [[package]]
-name = "multimap"
-version = "0.8.3"
+name = "nkeys"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
-
-[[package]]
-name = "ntapi"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8a3895c6391c39d7fe7ebc444a87eb2991b2a0bc718fdabd071eec617fc68e4"
+checksum = "aad178aad32087b19042ee36dfd450b73f5f934fbfb058b59b198684dfec4c47"
 dependencies = [
- "winapi",
+ "byteorder",
+ "data-encoding",
+ "ed25519",
+ "ed25519-dalek",
+ "getrandom",
+ "log",
+ "rand",
+ "signatory",
 ]
 
 [[package]]
@@ -743,12 +498,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "num-traits"
-version = "0.2.17"
+name = "nuid"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
+checksum = "fc895af95856f929163a0aa20c26a78d26bfdc839f51b9d5aa7a5b79e52b7e83"
 dependencies = [
- "autocfg",
+ "rand",
 ]
 
 [[package]]
@@ -776,6 +531,12 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
+[[package]]
+name = "openssl-probe"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
+
 [[package]]
 name = "overload"
 version = "0.1.1"
@@ -805,22 +566,21 @@ dependencies = [
  "windows-targets 0.48.5",
 ]
 
+[[package]]
+name = "pem-rfc7468"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
+dependencies = [
+ "base64ct",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
-[[package]]
-name = "petgraph"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1d3afd2628e69da2be385eb6f2fd57c8ac7977ceeff6dc166ff1657b0e386a9"
-dependencies = [
- "fixedbitset",
- "indexmap 2.1.0",
-]
-
 [[package]]
 name = "pin-project"
 version = "1.1.3"
@@ -853,117 +613,61 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der",
+ "spki",
+]
+
+[[package]]
+name = "platforms"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "626dec3cac7cc0e1577a2ec3fc496277ec2baa084bebad95bb6fdbfae235f84c"
+
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae005bd773ab59b4725093fd7df83fd7892f7d8eafb48dbd7de6e024e4215f9d"
-dependencies = [
- "proc-macro2",
- "syn",
-]
-
 [[package]]
 name = "proc-macro2"
-version = "1.0.71"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75cb1540fadbd5b8fbccc4dddad2734eba435053f725621c070711a14bb5f4b8"
+checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
 dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "bytes",
- "prost-derive",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "bytes",
- "heck",
- "itertools",
- "log",
- "multimap",
- "once_cell",
- "petgraph",
- "prettyplease",
- "prost",
- "prost-types",
- "regex",
- "syn",
- "tempfile",
- "which",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "anyhow",
- "itertools",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "prost-types"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "193898f59edcf43c26227dcd4c8427f00d99d61e95dcde58dabd49fa291d470e"
-dependencies = [
- "prost",
-]
-
 [[package]]
 name = "prymn_agent"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "chrono",
- "clap",
- "envy",
- "itertools",
- "once_cell",
- "prost",
- "regex",
- "reqwest",
- "rustix",
- "serde",
+ "async-nats",
  "serde_json",
- "sysinfo",
  "tokio",
  "tokio-stream",
- "tokio-util",
- "tonic",
- "tonic-build",
- "tower-http",
  "tracing",
  "tracing-subscriber",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.33"
+version = "1.0.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
+checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef"
 dependencies = [
  "proc-macro2",
 ]
@@ -1004,14 +708,14 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
 dependencies = [
- "bitflags 1.3.2",
+ "bitflags",
 ]
 
 [[package]]
 name = "regex"
-version = "1.10.2"
+version = "1.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
+checksum = "b62dbe01f0b06f9d8dc7d49e05a0785f153b00b2c227856282f671e0318c9b15"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1021,9 +725,9 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
+checksum = "3b7fa1134405e2ec9353fd416b17f8dacd46c473d7d3fd1cf202706a14eb792a"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1037,38 +741,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
 
 [[package]]
-name = "reqwest"
-version = "0.11.23"
+name = "ring"
+version = "0.17.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37b1ae8d9ac08420c66222fb9096fc5de435c3c48542bc5336c51892cffafb41"
+checksum = "688c63d65483050968b2a8937f7995f443e27041a0f7700aa59b0822aedebb74"
 dependencies = [
- "base64",
- "bytes",
- "encoding_rs",
- "futures-core",
- "futures-util",
- "h2",
- "http",
- "http-body",
- "hyper",
- "ipnet",
- "js-sys",
- "log",
- "mime",
- "once_cell",
- "percent-encoding",
- "pin-project-lite",
- "serde",
- "serde_json",
- "serde_urlencoded",
- "system-configuration",
- "tokio",
- "tower-service",
- "url",
- "wasm-bindgen",
- "wasm-bindgen-futures",
- "web-sys",
- "winreg",
+ "cc",
+ "getrandom",
+ "libc",
+ "spin",
+ "untrusted",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -1078,24 +761,56 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
 [[package]]
-name = "rustix"
-version = "0.38.28"
+name = "rustc_version"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72e572a5e8ca657d7366229cdde4bd14c4eb5499a9573d4d366fe1b599daa316"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
 dependencies = [
- "bitflags 2.4.1",
- "errno",
- "itoa",
- "libc",
- "linux-raw-sys",
- "windows-sys 0.52.0",
+ "semver",
 ]
 
 [[package]]
-name = "rustversion"
-version = "1.0.14"
+name = "rustls"
+version = "0.21.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
+checksum = "f9d5a6813c0759e4609cd494e8e725babae6a2ca7b62a5536a13daaec6fcb7ba"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki",
+ "sct",
+]
+
+[[package]]
+name = "rustls-native-certs"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9aace74cb666635c918e9c12bc0d348266037aa8eb599b5cba565709a8dff00"
+dependencies = [
+ "openssl-probe",
+ "rustls-pemfile",
+ "schannel",
+ "security-framework",
+]
+
+[[package]]
+name = "rustls-pemfile"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c74cae0a4cf6ccbbf5f359f08efdf8ee7e1dc532573bf0db71968cb56b1448c"
+dependencies = [
+ "base64",
+]
+
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+dependencies = [
+ "ring",
+ "untrusted",
+]
 
 [[package]]
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@@ -1103,6 +818,15 @@ version = "1.0.16"
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 checksum = "f98d2aa92eebf49b69786be48e4477826b256916e84a57ff2a4f21923b48eb4c"
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbc91545643bcf3a0bbb6569265615222618bdf33ce4ffbbd13c4bbd4c093534"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
 [[package]]
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@@ -1110,19 +834,58 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
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+name = "sct"
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-checksum = "25dd9975e68d0cb5aa1120c288333fc98731bd1dd12f561e468ea4728c042b89"
+checksum = "da046153aa2352493d6cb7da4b6e5c0c057d8a1d0a9aa8560baffdd945acd414"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05b64fb303737d99b81884b2c63433e9ae28abebe5eb5045dcdd175dc2ecf4de"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
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+checksum = "e932934257d3b408ed8f30db49d85ea163bfe74961f017f405b025af298f0c7a"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b97ed7a9823b74f99c7742f5336af7be5ecd3eeafcb1507d1fa93347b1d589b0"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63261df402c67811e9ac6def069e4786148c4563f4b50fd4bf30aa370d626b02"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
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-version = "1.0.193"
+version = "1.0.195"
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-checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
+checksum = "46fe8f8603d81ba86327b23a2e9cdf49e1255fb94a4c5f297f6ee0547178ea2c"
 dependencies = [
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@@ -1131,9 +894,9 @@ dependencies = [
 
 [[package]]
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-version = "1.0.108"
+version = "1.0.111"
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-checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
+checksum = "176e46fa42316f18edd598015a5166857fc835ec732f5215eac6b7bdbf0a84f4"
 dependencies = [
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@@ -1141,17 +904,36 @@ dependencies = [
 ]
 
 [[package]]
-name = "serde_urlencoded"
-version = "0.7.1"
+name = "serde_nanos"
+version = "0.1.3"
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-checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+checksum = "8ae801b7733ca8d6a2b580debe99f67f36826a0f5b8a36055dc6bc40f8d6bc71"
 dependencies = [
- "form_urlencoded",
- "itoa",
- "ryu",
  "serde",
 ]
 
+[[package]]
+name = "serde_repr"
+version = "0.1.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b2e6b945e9d3df726b65d6ee24060aff8e3533d431f677a9695db04eff9dfdb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.7"
@@ -1170,6 +952,28 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signatory"
+version = "0.27.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1e303f8205714074f6068773f0e29527e0453937fe837c9717d066635b65f31"
+dependencies = [
+ "pkcs8",
+ "rand_core",
+ "signature",
+ "zeroize",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
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 version = "0.4.9"
@@ -1196,16 +1000,32 @@ dependencies = [
 ]
 
 [[package]]
-name = "strsim"
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+name = "spin"
+version = "0.9.8"
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-checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
+[[package]]
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+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+dependencies = [
+ "base64ct",
+ "der",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
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-version = "2.0.42"
+version = "2.0.48"
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-checksum = "5b7d0a2c048d661a1a59fcd7355baa232f7ed34e0ee4df2eef3c1c1c0d3852d8"
+checksum = "0f3531638e407dfc0814761abb7c00a5b54992b849452a0646b7f65c9f770f3f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1213,57 +1033,23 @@ dependencies = [
 ]
 
 [[package]]
-name = "sync_wrapper"
-version = "0.1.2"
+name = "thiserror"
+version = "1.0.56"
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-checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
-
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-checksum = "cd727fc423c2060f6c92d9534cef765c65a6ed3f428a03d7def74a8c4348e666"
+checksum = "d54378c645627613241d077a3a79db965db602882668f9136ac42af9ecb730ad"
 dependencies = [
- "cfg-if",
- "core-foundation-sys",
- "libc",
- "ntapi",
- "once_cell",
- "winapi",
+ "thiserror-impl",
 ]
 
 [[package]]
-name = "system-configuration"
-version = "0.5.1"
+name = "thiserror-impl"
+version = "1.0.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba3a3adc5c275d719af8cb4272ea1c4a6d668a777f37e115f6d11ddbc1c8e0e7"
+checksum = "fa0faa943b50f3db30a20aa7e265dbc66076993efed8463e8de414e5d06d3471"
 dependencies = [
- "bitflags 1.3.2",
- "core-foundation",
- "system-configuration-sys",
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-
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-dependencies = [
- "cfg-if",
- "fastrand",
- "redox_syscall",
- "rustix",
- "windows-sys 0.48.0",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -1276,6 +1062,35 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f657ba42c3f86e7680e53c8cd3af8abbe56b5491790b46e22e19c0d57463583e"
+dependencies = [
+ "deranged",
+ "itoa",
+ "powerfmt",
+ "serde",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
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+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26197e33420244aeb70c3e8c78376ca46571bc4e701e4791c2cd9f57dcb3a43f"
+dependencies = [
+ "time-core",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
@@ -1310,16 +1125,6 @@ dependencies = [
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 ]
 
-[[package]]
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-dependencies = [
- "pin-project-lite",
- "tokio",
-]
-
 [[package]]
 name = "tokio-macros"
 version = "2.2.0"
@@ -1331,6 +1136,27 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tokio-retry"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f57eb36ecbe0fc510036adff84824dd3c24bb781e21bfa67b69d556aa85214f"
+dependencies = [
+ "pin-project",
+ "rand",
+ "tokio",
+]
+
+[[package]]
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+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
+dependencies = [
+ "rustls",
+ "tokio",
+]
+
 [[package]]
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 version = "0.1.14"
@@ -1340,114 +1166,8 @@ dependencies = [
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  "pin-project-lite",
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- "tokio-util",
 ]
 
-[[package]]
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- "hyper-timeout",
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- "pin-project",
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-
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- "tokio",
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- "tower-layer",
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-
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- "bytes",
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- "http",
- "http-body",
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-
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-
 [[package]]
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 version = "0.1.40"
@@ -1506,16 +1226,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "try-lock"
-version = "0.2.5"
+name = "typenum"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
 [[package]]
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-version = "0.3.14"
+version = "0.3.15"
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-checksum = "6f2528f27a9eb2b21e69c95319b30bd0efd85d09c379741b0f78ea1d86be2416"
+checksum = "08f95100a766bf4f8f28f90d77e0a5461bbdb219042e7679bebe79004fed8d75"
 
 [[package]]
 name = "unicode-ident"
@@ -1532,6 +1252,12 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "untrusted"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
+
 [[package]]
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@@ -1543,12 +1269,6 @@ dependencies = [
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 ]
 
-[[package]]
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-
 [[package]]
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@@ -1556,13 +1276,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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 [[package]]
-name = "want"
-version = "0.3.1"
+name = "version_check"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "try-lock",
-]
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
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@@ -1570,94 +1287,6 @@ version = "0.11.0+wasi-snapshot-preview1"
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-dependencies = [
- "either",
- "home",
- "once_cell",
- "rustix",
-]
-
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -1680,15 +1309,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
-[[package]]
-name = "windows-core"
-version = "0.51.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1f8cf84f35d2db49a46868f947758c7a1138116f7fac3bc844f43ade1292e64"
-dependencies = [
- "windows-targets 0.48.5",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
@@ -1822,11 +1442,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
 
 [[package]]
-name = "winreg"
-version = "0.50.0"
+name = "zeroize"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "524e57b2c537c0f9b1e69f1965311ec12182b4122e45035b1508cd24d2adadb1"
-dependencies = [
- "cfg-if",
- "windows-sys 0.48.0",
-]
+checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
diff --git a/agent/.gitignore b/agent/.gitignore
deleted file mode 100644
index b83d222..0000000
--- a/agent/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/target/
diff --git a/agent/Cargo.toml b/agent/Cargo.toml
index f6378be..e364e56 100644
--- a/agent/Cargo.toml
+++ b/agent/Cargo.toml
@@ -4,26 +4,10 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-anyhow = "1.0.71"
-chrono = "0.4.26"
-clap = "4.3.9"
-envy = "0.4.2"
-itertools = "0.11.0"
-once_cell = "1.18.0"
-prost = "0.12.1"
-regex = "1.10.2"
-reqwest = { version = "0.11.18", features = ["blocking", "json"], default-features = false }
-rustix = { version = "0.38.28", features = ["fs", "process", "pty", "stdio", "termios"] }
-serde = { version = "1.0.173", features = ["derive"] }
-serde_json = "1.0.103"
-sysinfo = { version = "0.29.2", default-features = false }
-tokio = { version = "1.28.2", features = ["full"] }
-tokio-stream = { version = "0.1.14", features = ["net", "sync"] }
-tokio-util = { version = "0.7.10", features = ["codec"] }
-tonic = { version = "0.10.2" }
-tower-http = { version = "0.4.3", features = ["trace"] }
-tracing = "0.1.37"
-tracing-subscriber = "0.3.17"
-
-[build-dependencies]
-tonic-build = "0.10.2"
+anyhow = "1.0.79"
+async-nats = "0.33.0"
+serde_json = "1.0.111"
+tokio = { version = "1.35.1", features = ["full"] }
+tokio-stream = { version = "0.1.14", default-features = false }
+tracing = "0.1.40"
+tracing-subscriber = { version = "0.3.18", features = ["fmt"] }
diff --git a/agent/build.rs b/agent/build.rs
deleted file mode 100644
index 84fcb7f..0000000
--- a/agent/build.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-fn main() {
-    tonic_build::configure()
-        .build_client(false)
-        .compile(&["../proto/agent.proto"], &["../proto"])
-        .unwrap();
-}
diff --git a/agent/server.conf b/agent/server.conf
new file mode 100644
index 0000000..cf24e03
--- /dev/null
+++ b/agent/server.conf
@@ -0,0 +1,27 @@
+authorization: {
+    users = [
+        {
+            user: prymn_admin
+            password: prymn_admin
+            permissions: {
+                publish: ">"
+                subscribe: ">"
+            }
+        }
+        {
+            user: demo_agent
+            password: demo_agent_password
+            permissions: {
+                publish: [
+                    "agents.v1.demo_agent.>"
+                ]
+                subscribe: [
+                    "agents.v1.demo_agent.>"
+                    "_INBOX_demo_agent.>"
+                ]
+            }
+        }
+    ]
+}
+
+jetstream: {}
diff --git a/agent/src/bin/prymn_agent.rs b/agent/src/bin/prymn_agent.rs
deleted file mode 100644
index c557fa4..0000000
--- a/agent/src/bin/prymn_agent.rs
+++ /dev/null
@@ -1,33 +0,0 @@
-use anyhow::Context;
-use clap::arg;
-use prymn_agent::{self_update, server};
-use tracing::Level;
-use tracing_subscriber::{filter::Targets, layer::SubscriberExt, util::SubscriberInitExt};
-
-fn main() -> anyhow::Result<()> {
-    // Debug subscriber, should be configurable in the future
-    tracing_subscriber::fmt()
-        .with_max_level(Level::TRACE)
-        .pretty()
-        .without_time()
-        .with_file(false)
-        .finish()
-        .with(
-            Targets::new()
-                .with_target("prymn_agent", Level::DEBUG)
-                .with_target("tower_http", Level::DEBUG),
-        )
-        .init();
-
-    let command = clap::Command::new(env!("CARGO_BIN_NAME"))
-        .version(env!("CARGO_PKG_VERSION"))
-        .arg(arg!(--install <TOKEN> "Install this agent binary to the system").exclusive(true))
-        .try_get_matches()
-        .unwrap_or_else(|e| e.exit());
-
-    if let Some(token) = command.get_one::<String>("install") {
-        self_update::install(token).context("failed to install the agent to the system")
-    } else {
-        server::run()
-    }
-}
diff --git a/agent/src/config.rs b/agent/src/config.rs
deleted file mode 100644
index ed54131..0000000
--- a/agent/src/config.rs
+++ /dev/null
@@ -1,18 +0,0 @@
-use once_cell::sync::Lazy;
-use serde::Deserialize;
-
-#[derive(Deserialize, Debug)]
-pub struct Config {
-    #[serde(default = "default_backend_url")]
-    pub backend_url: String,
-}
-
-fn default_backend_url() -> String {
-    "https://app.prymn.net".to_string()
-}
-
-pub static CONFIG: Lazy<Config> =
-    Lazy::new(|| match envy::prefixed("PRYMN_").from_env::<Config>() {
-        Ok(config) => config,
-        Err(_) => todo!("handle this error"),
-    });
diff --git a/agent/src/debian.rs b/agent/src/debian.rs
deleted file mode 100644
index 4ae241f..0000000
--- a/agent/src/debian.rs
+++ /dev/null
@@ -1,186 +0,0 @@
-use std::process::{Command, Output};
-
-use regex::Regex;
-
-pub fn update_package_index() -> std::io::Result<Output> {
-    Command::new("apt-get").arg("-y").arg("update").output()
-}
-
-pub fn run_updates(dry_run: bool) -> std::io::Result<Output> {
-    let mut command = Command::new("apt-get");
-
-    if dry_run {
-        command.arg("-s");
-    }
-
-    command.arg("-y").arg("upgrade").output()
-}
-
-pub fn install_packages(packages: &[&str]) -> std::io::Result<Output> {
-    Command::new("apt-get")
-        .arg("install")
-        .arg("-y")
-        .args(packages)
-        .output()
-}
-
-pub fn get_available_updates() -> std::io::Result<Vec<String>> {
-    let output = Command::new("apt-get").arg("-sV").arg("upgrade").output()?;
-    let upgradables = parse_upgrade_output(&String::from_utf8_lossy(&output.stdout));
-    Ok(upgradables)
-}
-
-fn parse_upgrade_output(output: &str) -> Vec<String> {
-    output
-        .split_once("The following packages will be upgraded:\n")
-        .and_then(|(_, rest)| {
-            // Find the first line with non-whitespace characters (indicating the end of the list)
-            let re = Regex::new(r"(?m)^\S").unwrap();
-            re.find(rest).map(|m| rest.split_at(m.start()).0)
-        })
-        .map_or_else(Vec::new, |text| {
-            let lines = text.lines();
-            lines.map(|line| line.trim().to_owned()).collect()
-        })
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn parses_upgrade_output_correctly() {
-        // `apt-get -sV upgrade`
-        let test_output = r"
-NOTE: This is only a simulation!
-      apt-get needs root privileges for real execution.
-      Keep also in mind that locking is deactivated,
-      so don't depend on the relevance to the real current situation!
-Reading package lists... Done
-Building dependency tree... Done
-Reading state information... Done
-Calculating upgrade... Done
-The following packages have been kept back:
-   linux-image-amd64 (5.10.191-1 => 5.10.197-1)
-The following packages will be upgraded:
-   adduser (3.118 => 3.118+deb11u1)
-   base-files (11.1+deb11u7 => 11.1+deb11u8)
-   cpio (2.13+dfsg-4 => 2.13+dfsg-7.1~deb11u1)
-   dbus (1.12.24-0+deb11u1 => 1.12.28-0+deb11u1)
-   distro-info-data (0.51+deb11u3 => 0.51+deb11u4)
-   dpkg (1.20.12 => 1.20.13)
-   grub-common (2.06-3~deb11u5 => 2.06-3~deb11u6)
-   grub-pc (2.06-3~deb11u5 => 2.06-3~deb11u6)
-   grub-pc-bin (2.06-3~deb11u5 => 2.06-3~deb11u6)
-   grub2-common (2.06-3~deb11u5 => 2.06-3~deb11u6)
-   krb5-locales (1.18.3-6+deb11u3 => 1.18.3-6+deb11u4)
-   libbsd0 (0.11.3-1 => 0.11.3-1+deb11u1)
-   libcurl3-gnutls (7.74.0-1.3+deb11u7 => 7.74.0-1.3+deb11u10)
-   libdbus-1-3 (1.12.24-0+deb11u1 => 1.12.28-0+deb11u1)
-   libgssapi-krb5-2 (1.18.3-6+deb11u3 => 1.18.3-6+deb11u4)
-   libk5crypto3 (1.18.3-6+deb11u3 => 1.18.3-6+deb11u4)
-   libkrb5-3 (1.18.3-6+deb11u3 => 1.18.3-6+deb11u4)
-   libkrb5support0 (1.18.3-6+deb11u3 => 1.18.3-6+deb11u4)
-   libncurses6 (6.2+20201114-2+deb11u1 => 6.2+20201114-2+deb11u2)
-   libncursesw6 (6.2+20201114-2+deb11u1 => 6.2+20201114-2+deb11u2)
-   libnss-systemd (247.3-7+deb11u2 => 247.3-7+deb11u4)
-   libpam-systemd (247.3-7+deb11u2 => 247.3-7+deb11u4)
-   libssl1.1 (1.1.1n-0+deb11u5 => 1.1.1w-0+deb11u1)
-   libsystemd0 (247.3-7+deb11u2 => 247.3-7+deb11u4)
-   libtinfo6 (6.2+20201114-2+deb11u1 => 6.2+20201114-2+deb11u2)
-   libudev1 (247.3-7+deb11u2 => 247.3-7+deb11u4)
-   logrotate (3.18.0-2+deb11u1 => 3.18.0-2+deb11u2)
-   ncurses-base (6.2+20201114-2+deb11u1 => 6.2+20201114-2+deb11u2)
-   ncurses-bin (6.2+20201114-2+deb11u1 => 6.2+20201114-2+deb11u2)
-   ncurses-term (6.2+20201114-2+deb11u1 => 6.2+20201114-2+deb11u2)
-   openssh-client (1:8.4p1-5+deb11u1 => 1:8.4p1-5+deb11u2)
-   openssh-server (1:8.4p1-5+deb11u1 => 1:8.4p1-5+deb11u2)
-   openssh-sftp-server (1:8.4p1-5+deb11u1 => 1:8.4p1-5+deb11u2)
-   openssl (1.1.1n-0+deb11u5 => 1.1.1w-0+deb11u1)
-   qemu-utils (1:5.2+dfsg-11+deb11u2 => 1:5.2+dfsg-11+deb11u3)
-   systemd (247.3-7+deb11u2 => 247.3-7+deb11u4)
-   systemd-sysv (247.3-7+deb11u2 => 247.3-7+deb11u4)
-   udev (247.3-7+deb11u2 => 247.3-7+deb11u4)
-38 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
-Inst base-files [11.1+deb11u7] (11.1+deb11u8 Debian:11.8/oldstable [amd64])
-Conf base-files (11.1+deb11u8 Debian:11.8/oldstable [amd64])
-Inst dpkg [1.20.12] (1.20.13 Debian:11.8/oldstable [amd64])
-Conf dpkg (1.20.13 Debian:11.8/oldstable [amd64])
-Inst ncurses-bin [6.2+20201114-2+deb11u1] (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [amd64])
-Conf ncurses-bin (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [amd64])
-Inst ncurses-base [6.2+20201114-2+deb11u1] (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [all])
-Conf ncurses-base (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [all])
-Inst libnss-systemd [247.3-7+deb11u2] (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64]) []
-Inst libsystemd0 [247.3-7+deb11u2] (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64]) [systemd:amd64 ]
-Conf libsystemd0 (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64]) [systemd:amd64 ]
-Inst libpam-systemd [247.3-7+deb11u2] (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64]) [systemd:amd64 ]
-Inst systemd [247.3-7+deb11u2] (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64])
-Inst udev [247.3-7+deb11u2] (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64]) []
-Inst libudev1 [247.3-7+deb11u2] (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64])
-Conf libudev1 (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64])
-Inst adduser [3.118] (3.118+deb11u1 Debian:11.8/oldstable [all])
-Conf adduser (3.118+deb11u1 Debian:11.8/oldstable [all])
-Conf systemd (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64])
-Inst systemd-sysv [247.3-7+deb11u2] (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64])
-Inst dbus [1.12.24-0+deb11u1] (1.12.28-0+deb11u1 Debian:11.8/oldstable [amd64]) []
-Inst libdbus-1-3 [1.12.24-0+deb11u1] (1.12.28-0+deb11u1 Debian:11.8/oldstable [amd64])
-Inst libk5crypto3 [1.18.3-6+deb11u3] (1.18.3-6+deb11u4 Debian:11.8/oldstable [amd64])
-Conf libk5crypto3 (1.18.3-6+deb11u4 Debian:11.8/oldstable [amd64])
-Inst libkrb5support0 [1.18.3-6+deb11u3] (1.18.3-6+deb11u4 Debian:11.8/oldstable [amd64]) [libkrb5-3:amd64 ]
-Conf libkrb5support0 (1.18.3-6+deb11u4 Debian:11.8/oldstable [amd64]) [libkrb5-3:amd64 ]
-Inst libkrb5-3 [1.18.3-6+deb11u3] (1.18.3-6+deb11u4 Debian:11.8/oldstable [amd64]) [libgssapi-krb5-2:amd64 ]
-Conf libkrb5-3 (1.18.3-6+deb11u4 Debian:11.8/oldstable [amd64]) [libgssapi-krb5-2:amd64 ]
-Inst libgssapi-krb5-2 [1.18.3-6+deb11u3] (1.18.3-6+deb11u4 Debian:11.8/oldstable [amd64])
-Conf libgssapi-krb5-2 (1.18.3-6+deb11u4 Debian:11.8/oldstable [amd64])
-Inst libssl1.1 [1.1.1n-0+deb11u5] (1.1.1w-0+deb11u1 Debian:11.8/oldstable [amd64])
-Conf libssl1.1 (1.1.1w-0+deb11u1 Debian:11.8/oldstable [amd64])
-Inst libncurses6 [6.2+20201114-2+deb11u1] (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [amd64]) []
-Inst libncursesw6 [6.2+20201114-2+deb11u1] (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [amd64]) []
-Inst libtinfo6 [6.2+20201114-2+deb11u1] (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [amd64])
-Conf libtinfo6 (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [amd64])
-Inst cpio [2.13+dfsg-4] (2.13+dfsg-7.1~deb11u1 Debian:11.8/oldstable [amd64])
-Inst logrotate [3.18.0-2+deb11u1] (3.18.0-2+deb11u2 Debian:11.8/oldstable [amd64])
-Inst krb5-locales [1.18.3-6+deb11u3] (1.18.3-6+deb11u4 Debian:11.8/oldstable [all])
-Inst ncurses-term [6.2+20201114-2+deb11u1] (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [all])
-Inst openssh-sftp-server [1:8.4p1-5+deb11u1] (1:8.4p1-5+deb11u2 Debian:11.8/oldstable [amd64]) []
-Inst openssh-server [1:8.4p1-5+deb11u1] (1:8.4p1-5+deb11u2 Debian:11.8/oldstable [amd64]) []
-Inst openssh-client [1:8.4p1-5+deb11u1] (1:8.4p1-5+deb11u2 Debian:11.8/oldstable [amd64])
-Inst distro-info-data [0.51+deb11u3] (0.51+deb11u4 Debian:11.8/oldstable [all])
-Inst grub2-common [2.06-3~deb11u5] (2.06-3~deb11u6 Debian-Security:11/oldstable-security [amd64]) [grub-pc:amd64 ]
-Inst grub-pc [2.06-3~deb11u5] (2.06-3~deb11u6 Debian-Security:11/oldstable-security [amd64]) []
-Inst grub-pc-bin [2.06-3~deb11u5] (2.06-3~deb11u6 Debian-Security:11/oldstable-security [amd64]) []
-Inst grub-common [2.06-3~deb11u5] (2.06-3~deb11u6 Debian-Security:11/oldstable-security [amd64])
-Inst libbsd0 [0.11.3-1] (0.11.3-1+deb11u1 Debian:11.8/oldstable [amd64])
-Inst libcurl3-gnutls [7.74.0-1.3+deb11u7] (7.74.0-1.3+deb11u10 Debian-Security:11/oldstable-security [amd64])
-Inst openssl [1.1.1n-0+deb11u5] (1.1.1w-0+deb11u1 Debian:11.8/oldstable [amd64])
-Inst qemu-utils [1:5.2+dfsg-11+deb11u2] (1:5.2+dfsg-11+deb11u3 Debian:11.8/oldstable [amd64])
-Conf libnss-systemd (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64])
-Conf libpam-systemd (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64])
-Conf udev (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64])
-Conf systemd-sysv (247.3-7+deb11u4 Debian:11.8/oldstable, Debian:11-updates/oldstable-updates [amd64])
-Conf dbus (1.12.28-0+deb11u1 Debian:11.8/oldstable [amd64])
-Conf libdbus-1-3 (1.12.28-0+deb11u1 Debian:11.8/oldstable [amd64])
-Conf libncurses6 (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [amd64])
-Conf libncursesw6 (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [amd64])
-Conf cpio (2.13+dfsg-7.1~deb11u1 Debian:11.8/oldstable [amd64])
-Conf logrotate (3.18.0-2+deb11u2 Debian:11.8/oldstable [amd64])
-Conf krb5-locales (1.18.3-6+deb11u4 Debian:11.8/oldstable [all])
-Conf ncurses-term (6.2+20201114-2+deb11u2 Debian:11.8/oldstable [all])
-Conf openssh-sftp-server (1:8.4p1-5+deb11u2 Debian:11.8/oldstable [amd64])
-Conf openssh-server (1:8.4p1-5+deb11u2 Debian:11.8/oldstable [amd64])
-Conf openssh-client (1:8.4p1-5+deb11u2 Debian:11.8/oldstable [amd64])
-Conf distro-info-data (0.51+deb11u4 Debian:11.8/oldstable [all])
-Conf grub2-common (2.06-3~deb11u6 Debian-Security:11/oldstable-security [amd64])
-Conf grub-pc (2.06-3~deb11u6 Debian-Security:11/oldstable-security [amd64])
-Conf grub-pc-bin (2.06-3~deb11u6 Debian-Security:11/oldstable-security [amd64])
-Conf grub-common (2.06-3~deb11u6 Debian-Security:11/oldstable-security [amd64])
-Conf libbsd0 (0.11.3-1+deb11u1 Debian:11.8/oldstable [amd64])
-Conf libcurl3-gnutls (7.74.0-1.3+deb11u10 Debian-Security:11/oldstable-security [amd64])
-Conf openssl (1.1.1w-0+deb11u1 Debian:11.8/oldstable [amd64])
-Conf qemu-utils (1:5.2+dfsg-11+deb11u3 Debian:11.8/oldstable [amd64])
-            ";
-
-        let upgradables = parse_upgrade_output(test_output);
-        assert_eq!(upgradables.len(), 38);
-    }
-}
diff --git a/agent/src/health.rs b/agent/src/health.rs
deleted file mode 100644
index 685bd15..0000000
--- a/agent/src/health.rs
+++ /dev/null
@@ -1,190 +0,0 @@
-//! System health module
-use std::{collections::HashMap, sync::Arc};
-
-use tokio::sync::watch;
-
-use super::{info::Info, task::TaskStatus};
-
-const MEMORY_USAGE_CRITICAL_THRESHOLD: u64 = 90;
-const CPU_USAGE_CRITICAL_THRESHOLD: u64 = 90;
-const DISK_USAGE_CRITICAL_THRESHOLD: u64 = 90;
-
-#[derive(Clone, PartialEq)]
-pub enum CriticalReason {
-    HighMemoryUsage,
-    HighCpuUsage,
-    HighDiskUsage,
-}
-
-#[derive(Clone, Default, PartialEq)]
-pub enum SystemStatus {
-    #[default]
-    Normal,
-    OutOfDate,
-    Updating,
-    Critical(Vec<CriticalReason>),
-}
-
-#[derive(Clone, Default)]
-pub struct SystemHealth {
-    pub status: SystemStatus,
-}
-
-#[derive(Default, Clone)]
-pub struct Health {
-    system: SystemHealth,
-    tasks: HashMap<String, TaskStatus>,
-}
-
-impl Health {
-    pub fn system(&self) -> &SystemHealth {
-        &self.system
-    }
-
-    pub fn tasks(&self) -> &HashMap<String, TaskStatus> {
-        &self.tasks
-    }
-}
-
-/// [HealthMonitor] gives access to shared system health state, allowing to watch health and update
-/// task health status.
-///
-/// # Usage
-/// Internally it uses [Arc] so it can be cheaply cloned and shared.
-/// ```
-/// use prymn_agent::health::HealthMonitor;
-/// use prymn_agent::info::Info;
-///
-/// let mut info = Info::new();
-/// let health_monitor = HealthMonitor::new();
-///
-/// // Monitor health changes
-/// let _receiver = health_monitor.monitor();
-///
-/// // Refresh system resources
-/// info.refresh_resources();
-///
-/// // Update the health monitor with the refreshed info
-/// health_monitor.check_system_info(&info);
-/// ```
-#[derive(Clone)]
-pub struct HealthMonitor {
-    sender: Arc<watch::Sender<Health>>,
-}
-
-impl HealthMonitor {
-    pub fn new() -> Self {
-        let (sender, _) = watch::channel(Health::default());
-        Self {
-            sender: Arc::new(sender),
-        }
-    }
-
-    pub fn check_system_info(&self, info: &Info) {
-        use sysinfo::{CpuExt, DiskExt, SystemExt};
-
-        let sys = info.system();
-        let mut status = SystemStatus::Normal;
-        let mut statuses = vec![];
-
-        // Check for critical memory usage
-        let memory_usage = if sys.total_memory() > 0 {
-            sys.used_memory() * 100 / sys.total_memory()
-        } else {
-            0
-        };
-
-        if memory_usage > MEMORY_USAGE_CRITICAL_THRESHOLD {
-            statuses.push(CriticalReason::HighMemoryUsage);
-        }
-
-        // Check for critical CPU usage
-        let cpu_usage = sys.global_cpu_info().cpu_usage();
-
-        if cpu_usage > CPU_USAGE_CRITICAL_THRESHOLD as f32 {
-            statuses.push(CriticalReason::HighCpuUsage);
-        }
-
-        // Check for any disk usage that is critical
-        for disk in sys.disks() {
-            let available_disk = if disk.total_space() > 0 {
-                disk.available_space() * 100 / disk.total_space()
-            } else {
-                0
-            };
-
-            if available_disk < 100 - DISK_USAGE_CRITICAL_THRESHOLD {
-                statuses.push(CriticalReason::HighDiskUsage);
-            }
-        }
-
-        if !statuses.is_empty() {
-            status = SystemStatus::Critical(statuses);
-        }
-
-        self.sender.send_if_modified(|Health { system, .. }| {
-            if system.status == status {
-                return false;
-            }
-
-            system.status = status;
-            true
-        });
-    }
-
-    /// Spawns a new tokio task that tracks from the [watch::Receiver] the status of a Prymn task
-    /// via [TaskStatus]
-    pub fn track_task(&self, name: String, mut task_recv: watch::Receiver<TaskStatus>) {
-        let sender = self.sender.clone();
-
-        tokio::task::spawn(async move {
-            while task_recv.changed().await.is_ok() {
-                sender.send_modify(|health| {
-                    health
-                        .tasks
-                        .insert(String::from(&name), task_recv.borrow().clone());
-                });
-            }
-
-            // At this point the Sender part of the watch dropped, meaning we can clear the task
-            // because it is complete.
-            sender.send_if_modified(|health| health.tasks.remove(&name).is_some());
-        });
-    }
-
-    pub fn clear_task(&self, task_name: &str) {
-        self.sender
-            .send_if_modified(|Health { tasks, .. }| tasks.remove(task_name).is_some());
-    }
-
-    pub fn monitor(&self) -> watch::Receiver<Health> {
-        self.sender.subscribe()
-    }
-}
-
-impl Default for HealthMonitor {
-    fn default() -> Self {
-        Self::new()
-    }
-}
-
-impl std::fmt::Display for SystemStatus {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            SystemStatus::Normal => write!(f, "normal"),
-            SystemStatus::OutOfDate => write!(f, "out of date"),
-            SystemStatus::Updating => write!(f, "updating"),
-            SystemStatus::Critical(_) => write!(f, "critical"),
-        }
-    }
-}
-
-impl std::fmt::Display for CriticalReason {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            CriticalReason::HighMemoryUsage => write!(f, "high memory usage"),
-            CriticalReason::HighCpuUsage => write!(f, "high cpu usage"),
-            CriticalReason::HighDiskUsage => write!(f, "high disk usage"),
-        }
-    }
-}
diff --git a/agent/src/info.rs b/agent/src/info.rs
deleted file mode 100644
index 4cbfd07..0000000
--- a/agent/src/info.rs
+++ /dev/null
@@ -1,87 +0,0 @@
-//! System info
-
-use std::{sync::Mutex, time::Duration};
-
-use anyhow::Context;
-use sysinfo::{CpuRefreshKind, SystemExt};
-
-use crate::debian;
-
-pub struct Info {
-    system: sysinfo::System,
-    updates: Vec<String>,
-}
-
-impl Info {
-    pub fn new() -> Self {
-        Self {
-            system: sysinfo::System::new(),
-            updates: Vec::new(),
-        }
-    }
-
-    pub fn refresh_resources(&mut self) {
-        self.system.refresh_specifics(
-            sysinfo::RefreshKind::new()
-                .with_disks_list()
-                .with_memory()
-                .with_cpu(CpuRefreshKind::new().with_cpu_usage()),
-        );
-    }
-
-    pub fn refresh_updates(&mut self) -> anyhow::Result<()> {
-        debian::update_package_index().context("while fetching the package index")?;
-
-        let updates =
-            debian::get_available_updates().context("while fetching available updates")?;
-
-        self.updates = updates;
-
-        Ok(())
-    }
-
-    pub fn system(&self) -> &sysinfo::System {
-        &self.system
-    }
-
-    pub fn updates(&self) -> &Vec<String> {
-        &self.updates
-    }
-}
-
-impl Default for Info {
-    fn default() -> Self {
-        Self::new()
-    }
-}
-
-/// Spawns a new thread that forever gathers system information.
-pub fn spawn_info_subsystem() -> &'static Mutex<Info> {
-    const REFRESH_RESOURCES_INTERVAL: Duration = Duration::from_secs(5);
-    const REFRESH_UPDATES_INTERVAL: Duration = Duration::from_secs(3600);
-
-    let info = Box::new(Mutex::new(Info::new()));
-    let info = Box::leak(info);
-
-    std::thread::spawn(|| loop {
-        tracing::debug!("refreshing system resources");
-
-        #[allow(clippy::mut_mutex_lock)]
-        info.lock().unwrap().refresh_resources();
-
-        std::thread::sleep(REFRESH_RESOURCES_INTERVAL);
-    });
-
-    std::thread::spawn(|| loop {
-        tracing::debug!("refreshing available system updates");
-
-        #[allow(clippy::mut_mutex_lock)]
-        if let Err(err) = info.lock().unwrap().refresh_updates() {
-            tracing::warn!(?err, "failed to refresh updates");
-        }
-
-        std::thread::sleep(REFRESH_UPDATES_INTERVAL);
-    });
-
-    info
-}
diff --git a/agent/src/lib.rs b/agent/src/lib.rs
deleted file mode 100644
index e43b076..0000000
--- a/agent/src/lib.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-pub mod config;
-pub mod debian;
-pub mod health;
-pub mod info;
-pub mod pty;
-pub mod self_update;
-pub mod server;
-pub mod task;
diff --git a/agent/src/main.rs b/agent/src/main.rs
new file mode 100644
index 0000000..c90146c
--- /dev/null
+++ b/agent/src/main.rs
@@ -0,0 +1,107 @@
+use async_nats as nats;
+use nats::{Client, ConnectOptions};
+use tracing::Level;
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    let subscriber = tracing_subscriber::fmt()
+        .with_max_level(Level::TRACE)
+        .finish();
+
+    tracing::subscriber::set_global_default(subscriber)
+        .expect("to set a tracing global subscriber");
+
+    let client = ConnectOptions::new()
+        .name("Prymn Agent demo_agent")
+        .custom_inbox_prefix("_INBOX_demo_agent")
+        .user_and_password("demo_agent".to_owned(), "demo_agent_password".to_owned())
+        .connect("localhost")
+        .await
+        .map_err(|err| err)?;
+
+    tracing::info!("connected to nats server");
+    wait_for_commands(client).await;
+    Ok(())
+}
+
+async fn wait_for_commands(_client: Client) {
+    //    let mut sub = client
+    //        .subscribe("agents.v1.demo_agent.cmd.*")
+    //        .await
+    //        .unwrap();
+    //
+    //    let mut command_queue = CommandQueue::default();
+    //
+    //    while let Some(msg) = sub.next().await {
+    //        let suffix = msg.subject.trim_start_matches("agents.v1.demo_agent.cmd.");
+    //
+    //        match suffix {
+    //            "end" => {
+    //                let key = std::str::from_utf8(&msg.payload).unwrap();
+    //                command_queue.end_command(key);
+    //            }
+    //            key => {
+    //                if let Some(mut receiver) = command_queue.add_command(key) {
+    //                    tokio::spawn(async move {
+    //                        while let Ok(()) = receiver.changed().await {
+    //                            let queue = receiver.borrow();
+    //                            while let Some(cmd) = queue.lock().unwrap().pop_back() {
+    //                                handle_command(cmd);
+    //                            }
+    //                        }
+    //                    });
+    //                }
+    //            }
+    //        }
+    //    }
+}
+//
+// fn handle_command(cmd: Command) {
+//     println!("{cmd:?}");
+// }
+//
+// #[derive(Default)]
+// struct CommandQueue(HashMap<String, watch::Sender<Mutex<VecDeque<Command>>>>);
+//
+// impl CommandQueue {
+//     pub fn add_command(&mut self, key: &str) -> Option<watch::Receiver<Mutex<VecDeque<Command>>>> {
+//         match self.0.get_mut(key) {
+//             Some(sender) => {
+//                 sender.send_modify(|q| q.lock().unwrap().push_back(Command::Foo));
+//                 None
+//             }
+//             None => {
+//                 let (sender, receiver) = watch::channel(Mutex::new(VecDeque::new()));
+//                 sender.send_modify(|q| q.lock().unwrap().push_back(Command::Foo));
+//                 Some(receiver)
+//             }
+//         }
+//     }
+//
+//     pub fn end_command(&mut self, key: &str) {
+//         self.0.remove(key);
+//     }
+// }
+//
+// mod cmd {
+//     // use std::borrow::Cow;
+//
+//     #[derive(Debug, Clone)]
+//     pub enum Command {
+//         Foo,
+//     }
+//
+//     #[derive(Debug)]
+//     pub struct UnknownCommand<'a>(&'a str);
+//
+//     impl<'a> TryFrom<&'a str> for Command {
+//         type Error = UnknownCommand<'a>;
+//
+//         fn try_from(cmd: &'a str) -> Result<Self, Self::Error> {
+//             match cmd {
+//                 "foo" => Ok(Command::Foo),
+//                 _ => Err(UnknownCommand(cmd)),
+//             }
+//         }
+//     }
+// }
diff --git a/agent/src/pty.rs b/agent/src/pty.rs
deleted file mode 100644
index e1f3ea6..0000000
--- a/agent/src/pty.rs
+++ /dev/null
@@ -1,166 +0,0 @@
-use std::{io, task::ready};
-
-use rustix::{
-    fd::OwnedFd,
-    fs::{fcntl_getfl, fcntl_setfl, OFlags},
-    process::{ioctl_tiocsctty, setsid},
-    pty::{grantpt, ioctl_tiocgptpeer, openpt, unlockpt, OpenptFlags},
-    stdio::{dup2_stderr, dup2_stdin, dup2_stdout},
-    termios::{tcsetwinsize, Winsize},
-};
-use tokio::{
-    io::{unix::AsyncFd, AsyncRead, AsyncWrite},
-    process::Child,
-};
-
-#[derive(Debug)]
-pub struct Pty {
-    fd: AsyncFd<OwnedFd>,
-}
-
-impl Pty {
-    pub fn open() -> io::Result<Self> {
-        let master = openpt(OpenptFlags::RDWR | OpenptFlags::NOCTTY | OpenptFlags::CLOEXEC)?;
-        grantpt(&master)?;
-        unlockpt(&master)?;
-
-        // Set nonblocking
-        let flags = fcntl_getfl(&master)?;
-        fcntl_setfl(&master, flags | OFlags::NONBLOCK)?;
-
-        let fd = AsyncFd::new(master)?;
-
-        Ok(Self { fd })
-    }
-
-    pub fn child(&self) -> io::Result<PtyChild> {
-        // NOTE: Linux v4.13 and above
-        let fd = ioctl_tiocgptpeer(&self.fd, OpenptFlags::RDWR | OpenptFlags::NOCTTY)?;
-        let child = PtyChild { fd };
-
-        Ok(child)
-    }
-
-    pub fn resize_window(&self, rows: u16, cols: u16) -> io::Result<()> {
-        let winsize = Winsize {
-            ws_row: rows,
-            ws_col: cols,
-            ws_xpixel: 0,
-            ws_ypixel: 0,
-        };
-
-        tcsetwinsize(&self.fd, winsize)?;
-
-        Ok(())
-    }
-
-    pub fn try_clone(&self) -> io::Result<Pty> {
-        let fd = self.fd.get_ref().try_clone()?;
-
-        Ok(Pty {
-            fd: AsyncFd::new(fd)?,
-        })
-    }
-}
-
-impl AsyncRead for Pty {
-    fn poll_read(
-        self: std::pin::Pin<&mut Self>,
-        cx: &mut std::task::Context<'_>,
-        buf: &mut tokio::io::ReadBuf<'_>,
-    ) -> std::task::Poll<io::Result<()>> {
-        loop {
-            let mut guard = ready!(self.fd.poll_read_ready(cx)?);
-
-            match guard.try_io(|inner| {
-                let fd = inner.get_ref();
-                let n = rustix::io::read(fd, buf.initialize_unfilled())?;
-                buf.advance(n);
-
-                Ok(())
-            }) {
-                Ok(result) => return std::task::Poll::Ready(result),
-                Err(_would_block) => continue,
-            }
-        }
-    }
-}
-
-impl AsyncWrite for Pty {
-    fn poll_write(
-        self: std::pin::Pin<&mut Self>,
-        cx: &mut std::task::Context<'_>,
-        buf: &[u8],
-    ) -> std::task::Poll<Result<usize, io::Error>> {
-        loop {
-            let mut guard = ready!(self.fd.poll_write_ready(cx))?;
-
-            match guard.try_io(|inner| Ok(rustix::io::write(inner.get_ref(), buf)?)) {
-                Ok(result) => return std::task::Poll::Ready(result),
-                Err(_would_block) => continue,
-            }
-        }
-    }
-
-    fn poll_flush(
-        self: std::pin::Pin<&mut Self>,
-        _cx: &mut std::task::Context<'_>,
-    ) -> std::task::Poll<Result<(), io::Error>> {
-        std::task::Poll::Ready(Ok(()))
-    }
-
-    fn poll_shutdown(
-        self: std::pin::Pin<&mut Self>,
-        _cx: &mut std::task::Context<'_>,
-    ) -> std::task::Poll<Result<(), io::Error>> {
-        std::task::Poll::Ready(Ok(()))
-    }
-}
-
-#[derive(Debug)]
-pub struct PtyChild {
-    fd: OwnedFd,
-}
-
-impl PtyChild {
-    pub fn login_tty(&self) -> io::Result<()> {
-        setsid()?;
-        ioctl_tiocsctty(&self.fd)?;
-        dup2_stdin(&self.fd)?;
-        dup2_stdout(&self.fd)?;
-        dup2_stderr(&self.fd)?;
-
-        Ok(())
-    }
-}
-
-pub fn open_shell(pty_child: PtyChild) -> io::Result<Child> {
-    let mut cmd = tokio::process::Command::new("/bin/bash");
-
-    unsafe {
-        cmd.pre_exec(move || {
-            pty_child.login_tty()?;
-            Ok(())
-        });
-    }
-
-    cmd.spawn()
-}
-
-#[cfg(test)]
-mod test {
-    use rustix::fd::AsRawFd;
-
-    use super::*;
-
-    #[tokio::test]
-    async fn can_open_pty() {
-        let pty = Pty::open().unwrap();
-        let child = pty.child().unwrap();
-
-        let master_fd = pty.fd.get_ref().as_raw_fd();
-        let child_fd = child.fd.as_raw_fd();
-
-        assert!(master_fd != child_fd);
-    }
-}
diff --git a/agent/src/self_update.rs b/agent/src/self_update.rs
deleted file mode 100644
index 84bc248..0000000
--- a/agent/src/self_update.rs
+++ /dev/null
@@ -1,143 +0,0 @@
-use std::{fs::File, io::Write, os::unix::prelude::PermissionsExt, path::Path, process::Command};
-
-use anyhow::Context;
-use reqwest::{blocking::Client, StatusCode};
-use serde::Deserialize;
-
-use crate::config;
-
-const PRYMN_PATH: &str = "/usr/local/bin/prymn_agent";
-
-pub fn install(token: &str) -> anyhow::Result<()> {
-    let this_exe = std::env::current_exe()?;
-
-    copy_binary(&this_exe, Path::new(PRYMN_PATH)).with_context(|| {
-        format!(
-            "could not copy the file {} to the destination {PRYMN_PATH}",
-            this_exe.to_str().unwrap(),
-        )
-    })?;
-
-    install_service_file(Path::new("/etc/systemd/system/prymn.service"))
-        .context("could not install the agent daemon service")?;
-
-    register_to_backend(token).context("could not register the agent")?;
-
-    Ok(())
-}
-
-fn copy_binary(src: &Path, dest: &Path) -> anyhow::Result<()> {
-    if dest.exists() {
-        // unlink the potentially running binary
-        std::fs::remove_file(dest)?;
-    }
-
-    std::fs::copy(src, dest)?;
-
-    let mut perms = dest.metadata()?.permissions();
-    perms.set_mode(0o755);
-    std::fs::set_permissions(dest, perms)?;
-
-    Ok(())
-}
-
-fn install_service_file(dest: &Path) -> anyhow::Result<()> {
-    let mut file = File::create(dest)?;
-    write!(
-        file,
-        r#"
-[Unit]
-Description=Prymn Agent Service
-After=network.target
-
-[Service]
-ExecStart={PRYMN_PATH}
-Type=simple
-Restart=always
-
-[Install]
-WantedBy=default.target
-"#
-    )?;
-
-    if !Command::new("systemctl")
-        .arg("daemon-reload")
-        .status()?
-        .success()
-    {
-        anyhow::bail!("command exit with non-zero exit code; could not reload systemd daemon");
-    }
-
-    if !Command::new("systemctl")
-        .arg("enable")
-        .arg("--now")
-        .arg("prymn.service")
-        .status()?
-        .success()
-    {
-        anyhow::bail!("command exit with non-zero exit code; could not enable systemd service");
-    }
-
-    Ok(())
-}
-
-fn register_to_backend(token: &str) -> anyhow::Result<()> {
-    let client = Client::new();
-    let response = client
-        .post(format!(
-            "{}/api/v1/servers/register",
-            config::CONFIG.backend_url
-        ))
-        .json(&serde_json::json!({ "token": token }))
-        .send()?;
-
-    // TODO: When the backend API is established more concretely, change this to something better.
-    #[derive(Deserialize)]
-    struct ApiError {
-        errors: serde_json::Value,
-    }
-
-    match response.status() {
-        StatusCode::UNPROCESSABLE_ENTITY => {
-            let error = response.json::<ApiError>()?;
-            anyhow::bail!(
-                "request was unsuccessful: the backend received invalid data: {}",
-                error.errors.to_string()
-            )
-        }
-        status if !status.is_success() => {
-            anyhow::bail!("request was unsuccessful: error {}", status)
-        }
-        _ => Ok(()),
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn copy_binary_works() {
-        let temp_dir = std::env::temp_dir();
-        // let temp_dir = tempdir().unwrap();
-        let file1_path = temp_dir.join("file1");
-        let mut file1 = File::create(&file1_path).unwrap();
-        let file2_path = temp_dir.join("file2");
-        let mut file2 = File::create(&file2_path).unwrap();
-
-        writeln!(file1, "old data").unwrap();
-        writeln!(file2, "new data").unwrap();
-
-        copy_binary(&file2_path, &file1_path).expect("could not copy file");
-
-        let perms = file1_path
-            .metadata()
-            .expect("could not retrieve metadata")
-            .permissions();
-
-        let new_data = std::fs::read_to_string(file1_path).unwrap();
-
-        assert_eq!(new_data, "new data\n");
-        assert!(perms.mode() & 0o755 == 0o755);
-    }
-}
diff --git a/agent/src/server/agent.rs b/agent/src/server/agent.rs
deleted file mode 100644
index 9c9d405..0000000
--- a/agent/src/server/agent.rs
+++ /dev/null
@@ -1,224 +0,0 @@
-use std::{pin::Pin, process::Stdio, sync::Mutex};
-
-use tokio::{io::AsyncWriteExt, process::Command};
-use tokio_stream::{
-    wrappers::{ReceiverStream, WatchStream},
-    Stream, StreamExt,
-};
-use tokio_util::codec::{BytesCodec, FramedRead};
-use tonic::{Request, Response, Status, Streaming};
-
-use crate::{
-    debian,
-    health::HealthMonitor,
-    info::Info,
-    pty::{open_shell, Pty},
-    task::TaskBuilder,
-};
-
-use super::proto::*;
-
-type AgentResult<T> = std::result::Result<Response<T>, Status>;
-
-pub struct AgentService<'a> {
-    pub health: HealthMonitor,
-    pub info: &'a Mutex<Info>, // TODO: Find a way to remove the Mutex dependency here
-}
-
-#[tonic::async_trait]
-impl agent_server::Agent for AgentService<'static> {
-    type HealthStream = Pin<Box<dyn Stream<Item = Result<HealthResponse, Status>> + Send>>;
-
-    async fn health(&self, _: Request<()>) -> AgentResult<Self::HealthStream> {
-        let receiver = self.health.monitor();
-        let version = env!("CARGO_PKG_VERSION");
-
-        let output = WatchStream::new(receiver).map(|health| {
-            Ok(HealthResponse {
-                version: version.to_owned(),
-                system: Some(health.system().into()),
-                tasks: health
-                    .tasks()
-                    .iter()
-                    .map(|(k, v)| (k.clone(), v.into()))
-                    .collect(),
-            })
-        });
-
-        Ok(Response::new(Box::pin(output)))
-    }
-
-    async fn get_sys_info(&self, _: Request<()>) -> AgentResult<SysInfoResponse> {
-        Ok(Response::new(SysInfoResponse::from(
-            &*self.info.lock().unwrap(),
-        )))
-    }
-
-    type SysUpdateStream = Pin<Box<dyn Stream<Item = Result<SysUpdateResponse, Status>> + Send>>;
-
-    async fn sys_update(
-        &self,
-        req: Request<SysUpdateRequest>,
-    ) -> AgentResult<Self::SysUpdateStream> {
-        let dry_run = req.get_ref().dry_run;
-
-        let mut receiver =
-            TaskBuilder::new("system update".to_owned()).health_monitor(self.health.clone());
-
-        if dry_run {
-            receiver = receiver
-                .add_step(async { Ok("simulating a system update...".to_owned()) })
-                .add_step(async {
-                    const DUR: std::time::Duration = std::time::Duration::from_secs(5);
-                    tokio::time::sleep(DUR).await;
-                    Ok("completed running an artifical delay...".to_owned())
-                });
-        }
-
-        let receiver = receiver
-            .add_step(async move {
-                tokio::task::spawn_blocking(move || {
-                    let output = debian::run_updates(dry_run).map_err(|err| {
-                        tracing::error!(%err, "failed to run updates");
-                        err
-                    })?;
-
-                    let out = if !output.status.success() {
-                        tracing::error!(?output, "child process exited unsuccessfuly");
-
-                        match output.status.code() {
-                            Some(exit_code) => Err(Status::internal(format!(
-                                "operation exited with error (code {exit_code})"
-                            ))),
-                            None => Err(Status::cancelled("operation was cancelled by signal")),
-                        }
-                    } else {
-                        Ok(String::from_utf8_lossy(output.stdout.as_slice()).to_string())
-                    };
-
-                    // TODO: We could split the output by lines and emit those as "steps" so the
-                    // upgrade process is more interactive
-                    out
-                })
-                .await
-                .unwrap()
-            })
-            .build()
-            .into_background();
-
-        let stream = ReceiverStream::new(receiver).map(|output| {
-            output
-                .map(|output| SysUpdateResponse {
-                    output,
-                    progress: 1,
-                })
-                .map_err(|err| Status::internal(err.to_string()))
-        });
-
-        Ok(Response::new(Box::pin(stream)))
-    }
-
-    type ExecStream = Pin<Box<dyn Stream<Item = Result<ExecResponse, Status>> + Send>>;
-
-    async fn exec(&self, req: Request<ExecRequest>) -> AgentResult<Self::ExecStream> {
-        use exec_response::Out;
-
-        let ExecRequest {
-            user,
-            program,
-            args,
-        } = req.get_ref();
-
-        if user.is_empty() {
-            return Err(Status::invalid_argument("you must specify a user"));
-        }
-
-        if program.is_empty() {
-            return Err(Status::invalid_argument("you must specify a program"));
-        }
-
-        let mut command = if user != "root" {
-            let mut cmd = Command::new("sudo");
-            cmd.arg("-iu").arg(user).arg("--").arg(program);
-            cmd
-        } else {
-            Command::new(program)
-        };
-
-        let mut io = command
-            .args(args)
-            .stdout(Stdio::piped())
-            .stderr(Stdio::piped())
-            .spawn()?;
-
-        let stdout = FramedRead::new(io.stdout.take().unwrap(), BytesCodec::new()).map(|stdout| {
-            let stdout = stdout.unwrap();
-            Out::Stdout(String::from_utf8_lossy(&stdout[..]).to_string())
-        });
-
-        let stderr = FramedRead::new(io.stderr.take().unwrap(), BytesCodec::new()).map(|stderr| {
-            let stderr = stderr.unwrap();
-            Out::Stderr(String::from_utf8_lossy(&stderr[..]).to_string())
-        });
-
-        let exit = TaskBuilder::new(format!("exec {program}"))
-            .health_monitor(self.health.clone())
-            .add_step(async move { io.wait().await.unwrap() })
-            .build()
-            .into_stream();
-
-        let stream = stdout
-            .merge(stderr)
-            .chain(exit.map(|code| Out::ExitCode(code.code().unwrap_or_default())))
-            .map(|out| Ok(ExecResponse { out: Some(out) }));
-
-        Ok(Response::new(Box::pin(stream)))
-    }
-
-    type TerminalStream = Pin<Box<dyn Stream<Item = Result<TerminalResponse, Status>> + Send>>;
-
-    async fn terminal(
-        &self,
-        req: Request<Streaming<TerminalRequest>>,
-    ) -> AgentResult<Self::TerminalStream> {
-        let mut in_stream = req.into_inner();
-        let mut pty = Pty::open()?;
-        let pty_clone = pty.try_clone()?;
-        let pty_child = pty.child()?;
-        let mut child = open_shell(pty_child)?;
-
-        tokio::spawn(async move {
-            // TODO: Handle errors inside here
-            while let Some(result) = in_stream.next().await {
-                match result {
-                    Ok(req) => {
-                        if let Some(resize) = req.resize {
-                            pty.resize_window(resize.rows as u16, resize.cols as u16)
-                                .unwrap();
-                        }
-
-                        pty.write_all(&req.input[..]).await.unwrap();
-                    }
-                    Err(err) => {
-                        // Log and ignore the error...
-                        tracing::warn!(%err, "received an incoming stream error");
-                    }
-                }
-            }
-
-            // TODO: Maybe there's a more graceful way to stop the process?
-            child.kill().await.unwrap();
-        });
-
-        let out_stream = FramedRead::new(pty_clone, BytesCodec::new()).map(|inner| {
-            inner
-                .map(|b| TerminalResponse { output: b.to_vec() })
-                .map_err(|err| {
-                    tracing::error!(%err, "read error on pseudoterminal");
-                    Status::internal("terminal read error")
-                })
-        });
-
-        Ok(Response::new(Box::pin(out_stream)))
-    }
-}
diff --git a/agent/src/server/mod.rs b/agent/src/server/mod.rs
deleted file mode 100644
index fb015b5..0000000
--- a/agent/src/server/mod.rs
+++ /dev/null
@@ -1,128 +0,0 @@
-use std::time::Duration;
-
-use tokio::{signal, sync::oneshot};
-use tower_http::trace::TraceLayer;
-
-use crate::{
-    health::HealthMonitor,
-    info,
-    server::{agent::AgentService, proto::agent_server},
-};
-
-mod agent;
-mod proto {
-    tonic::include_proto!("prymn");
-
-    impl From<&crate::health::SystemHealth> for SystemHealth {
-        fn from(val: &crate::health::SystemHealth) -> Self {
-            if let crate::health::SystemStatus::Critical(ref reasons) = val.status {
-                SystemHealth {
-                    status: itertools::join(reasons.iter().map(ToString::to_string), ","),
-                }
-            } else {
-                SystemHealth {
-                    status: val.status.to_string(),
-                }
-            }
-        }
-    }
-
-    impl From<&crate::task::TaskStatus> for TaskHealth {
-        fn from(value: &crate::task::TaskStatus) -> Self {
-            Self {
-                started_on: value.started_on().to_string(),
-                progress: value.progress(),
-            }
-        }
-    }
-
-    impl From<&crate::info::Info> for SysInfoResponse {
-        fn from(info: &crate::info::Info) -> Self {
-            use sysinfo::{CpuExt, DiskExt, SystemExt};
-
-            let system = info.system();
-
-            let cpus = system
-                .cpus()
-                .iter()
-                .map(|cpu| sys_info_response::Cpu {
-                    freq_mhz: cpu.frequency(),
-                    usage: cpu.cpu_usage(),
-                })
-                .collect();
-
-            let disks = system
-                .disks()
-                .iter()
-                .map(|disk| sys_info_response::Disk {
-                    name: disk.name().to_string_lossy().into_owned(),
-                    total_bytes: disk.total_space(),
-                    avail_bytes: disk.available_space(),
-                    mount_point: disk.mount_point().to_string_lossy().into_owned(),
-                })
-                .collect();
-
-            Self {
-                uptime: system.uptime(),
-                hostname: system.host_name().unwrap_or_default(),
-                os: system.long_os_version().unwrap_or_default(),
-                mem_total_bytes: system.total_memory(),
-                mem_avail_bytes: system.available_memory(),
-                swap_total_bytes: system.total_swap(),
-                swap_free_bytes: system.free_swap(),
-                updates_available: info.updates().len() as u32,
-                cpus,
-                disks,
-            }
-        }
-    }
-}
-
-/// Run the server. This is the main entry point of the application.
-#[tokio::main]
-pub async fn run() -> anyhow::Result<()> {
-    let (shutdown_tx, shutdown_rx) = oneshot::channel();
-
-    // Listen for shutdown signals
-    tokio::spawn(async {
-        signal::ctrl_c()
-            .await
-            .expect("failed to listen to a ctrl-c signal");
-
-        let _ = shutdown_tx.send(());
-    });
-
-    let info = info::spawn_info_subsystem();
-    let health_monitor = HealthMonitor::new();
-
-    // Monitor system info forever
-    // TODO: Maybe we can move it inside the server response function?
-    // We could spawn a new loop whenever we need it, but the problem is when does it get
-    // destroyed?
-    {
-        let health_monitor = health_monitor.clone();
-        tokio::spawn(async move {
-            loop {
-                health_monitor.check_system_info(&info.lock().unwrap());
-                tokio::time::sleep(Duration::from_secs(1)).await;
-            }
-        });
-    }
-
-    let agent_service = agent_server::AgentServer::new(AgentService {
-        health: health_monitor.clone(),
-        info,
-    });
-
-    let addr = "[::]:50012".parse()?;
-    tracing::info!("listening on {}", addr);
-    tonic::transport::Server::builder()
-        .layer(TraceLayer::new_for_grpc())
-        .add_service(agent_service)
-        .serve_with_shutdown(addr, async {
-            let _ = shutdown_rx.await;
-        })
-        .await?;
-
-    Ok(())
-}
diff --git a/agent/src/task.rs b/agent/src/task.rs
deleted file mode 100644
index 323c6ea..0000000
--- a/agent/src/task.rs
+++ /dev/null
@@ -1,154 +0,0 @@
-//! A task is an atomic executing routine that the agent is running, potentially in the background.
-//! The task is tracked by the system monitor.
-
-// TODO: Take a look at futures::stream::FuturesOrdered
-//       It is used to store futures in an ordered fashion, and it also implements Stream
-
-use std::{
-    future::Future,
-    pin::Pin,
-    task::{Context, Poll},
-};
-
-use chrono::{DateTime, Utc};
-use tokio::sync::{mpsc, watch};
-use tokio_stream::{Stream, StreamExt};
-
-use super::health::HealthMonitor;
-
-#[derive(Clone, Default)]
-pub struct TaskStatus {
-    started_on: DateTime<Utc>,
-    curr_step: usize,
-    max_steps: usize,
-}
-
-impl TaskStatus {
-    /// Returns the task progress as a percentage value
-    pub fn progress(&self) -> f32 {
-        100.0 * (self.curr_step as f32 / self.max_steps as f32)
-    }
-
-    /// Returns the datetime when this task began executing
-    pub fn started_on(&self) -> &DateTime<Utc> {
-        &self.started_on
-    }
-
-    fn next_step(&mut self) {
-        if self.curr_step < self.max_steps {
-            self.curr_step += 1;
-        }
-    }
-}
-
-type BoxFuture<T> = Pin<Box<dyn Future<Output = T> + Send>>;
-
-pub struct TaskBuilder<Step> {
-    task: Task<Step>,
-}
-
-impl<T> TaskBuilder<T> {
-    pub fn new(name: String) -> Self {
-        let (sender, _) = watch::channel(TaskStatus::default());
-
-        Self {
-            task: Task {
-                name,
-                health_monitor: None,
-                status_channel: sender,
-                steps: Vec::new(),
-            },
-        }
-    }
-
-    /// Attaches a health monitor to notify the health system on progress made.
-    pub fn health_monitor(mut self, health_monitor: HealthMonitor) -> Self {
-        self.task.health_monitor = Some(health_monitor);
-        self
-    }
-
-    pub fn build(self) -> Task<T> {
-        self.task
-    }
-}
-
-impl<T: Send + 'static> TaskBuilder<BoxFuture<T>> {
-    pub fn add_step(mut self, step: impl Future<Output = T> + Send + 'static) -> Self {
-        self.task.add_step(step);
-        self
-    }
-}
-
-pub struct Task<T> {
-    name: String,
-    health_monitor: Option<HealthMonitor>,
-    status_channel: watch::Sender<TaskStatus>,
-    steps: Vec<T>,
-}
-
-impl<T: Send + 'static> Task<BoxFuture<T>> {
-    fn add_step(&mut self, step: impl Future<Output = T> + Send + 'static) {
-        self.steps.push(Box::pin(step))
-    }
-
-    /// Turn this Task into an object that implements [Stream].
-    ///
-    /// The new stream will output each step's future output.
-    pub fn into_stream(self) -> TaskStream<T> {
-        if let Some(health) = &self.health_monitor {
-            health.track_task(self.name.clone(), self.status_channel.subscribe());
-        }
-
-        // Immediately notify the initial status (step 0)
-        self.status_channel.send_replace(TaskStatus {
-            started_on: Utc::now(),
-            curr_step: 0,
-            max_steps: self.steps.len(),
-        });
-
-        TaskStream { inner: self }
-    }
-
-    /// Run this task concurrently in the background.
-    ///
-    /// Returns a [mpsc::Receiver<T>] which receives the returned values of each step's future
-    /// output.
-    pub fn into_background(self) -> mpsc::Receiver<T> {
-        let (sender, receiver) = mpsc::channel(10);
-
-        tokio::spawn(async move {
-            let mut stream = self.into_stream();
-            while let Some(value) = stream.next().await {
-                let _ = sender.send(value).await;
-            }
-        });
-
-        receiver
-    }
-}
-
-pub struct TaskStream<T> {
-    inner: Task<BoxFuture<T>>,
-}
-
-impl<T> Stream for TaskStream<T> {
-    type Item = T;
-
-    fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
-        match self.inner.steps.get_mut(0) {
-            Some(fut) => match fut.as_mut().poll(cx) {
-                Poll::Ready(value) => {
-                    self.inner.steps.remove(0);
-
-                    self.inner
-                        .status_channel
-                        .send_modify(|task| task.next_step());
-
-                    Poll::Ready(Some(value))
-                }
-                Poll::Pending => Poll::Pending,
-            },
-            None => Poll::Ready(None),
-        }
-    }
-}
diff --git a/agent/tests/task_health.rs b/agent/tests/task_health.rs
deleted file mode 100644
index 7d1f5d6..0000000
--- a/agent/tests/task_health.rs
+++ /dev/null
@@ -1,18 +0,0 @@
-use prymn_agent::{health::HealthMonitor, task::TaskBuilder};
-
-#[tokio::test]
-async fn task_is_gone_from_health_monitor_when_complete() {
-    let health_monitor = HealthMonitor::new();
-    let health_recv = health_monitor.monitor();
-
-    let mut task_recv = TaskBuilder::new("test task".to_owned())
-        .health_monitor(health_monitor)
-        .add_step(async { "foo" })
-        .add_step(async { "bar" })
-        .build()
-        .into_background();
-
-    assert_eq!(task_recv.recv().await.unwrap(), "foo");
-    assert_eq!(task_recv.recv().await.unwrap(), "bar");
-    assert!(health_recv.borrow().tasks().is_empty());
-}